<div class="wrap" >
  <button class="{{Min}}" (click)="down()">
    <ion-icon name="md-remove"></ion-icon>
  </button>
  <button class="{{Max}}" (click)="up()" >
    <ion-icon name="md-add"></ion-icon>
  </button>
  <div class="input"><input type="number" [(ngModel)]="num" (keyup)="keyUp()" (click)="wipe()"></div>
</div>

<p>max available:{{max}}</p>
